The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 26, 2002

Filed:

Nov. 30, 2000
Applicant:
Inventor:

Alain Dunand, Grenoble, FR;

Assignee:

Imaje S.A., Bourg les Valence Cedex, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/07 ;
U.S. Cl.
CPC ...
B41J 2/07 ;
Abstract

Process for modification of the position at which electrically-charged ink droplets arrive on a substrate ( ), the droplets being charged by charge electrodes ( ) connected to a voltage generator, the paths of the droplets being affected by the action of deviation electrodes ( ) that deviate the droplets depending on the value of their electrical charge, between N positions defining a frame obtained by a burst of droplets in the form of a straight segment approximately parallel to an X direction along which the substrate advances, process characterized in that an additional random voltage equal to a fraction less than 1 of the difference between the nominal voltages to be applied to the charge electrodes for each droplet and for one of the two immediately adjacent droplets in the frame, is applied in addition to a nominal voltage to be applied to each droplet charging means.


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